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English (GB)

Fig. 30

Construction type 1: LS 125-100-381

Fig. 31

Construction type 1: LS 200-150-483

06 94

04 431

114a

113d

195

113e

114

124

109

124d

26d

26c

26b

20e

20d

72a

113c

20a

20c

20b

105

124c

54d

54c

54e

113f

105b

105a

67b

113g

11a

114a

113d

195

113e

114

124c

124d

20f

124

109

105

72a

20c

20a

20b

113c

26b

26c

20d

20e

54c

54e

113g

113f

105a

105b

67b

67a

11a

Содержание LS 100-80-241

Страница 1: ...LS Service instructions GRUNDFOS INSTRUCTIONS ...

Страница 2: ...2 ...

Страница 3: ...ction type 1 22 9 2 LS with sleeve construction type 2 23 9 3 LS with sleeve construction type 3 23 9 4 LS with sleeve construction type 4 24 9 5 LS without sleeve construction type 1 24 9 6 LS without sleeve construction type 2 25 9 7 LS typical end view non drive end 25 10 Exploded views 26 10 1 Coupling 26 10 2 LS with sleeve 27 10 3 LS without sleeve 35 11 Fault finding the product 42 12 Dispo...

Страница 4: ...information Part number D Hexagon socket 26c 26d 114 114a 1 1 2 1 5 16 1 1 8 15 16 3 4 9 16 E Octagon socket 17 20 20a 20b 20c 20d 20e 20g 9 16 3 8 Pos Description For pos Further information Part number F Torque wrench D E 200 800 Nm SV2126 G Torque wrench H 9x12 mm 4 20 Nm SV2092 9x12 mm 20 100 Nm SV0269 14x18 mm 40 200 Nm SV0400 H Ratchet insert tool D E 9x12 mm 1 2 SV0295 14x18 mm SV0401 Pos D...

Страница 5: ...ronmental conditions together with a comparison of previous inspections the frequency of inspections may be altered to maintain satisfactory operation of the pump Between the regular maintenance inspections be aware of signs of motor or pump trouble Common symptoms are listed in section 7 Identification Remedy any fault immediately and avoid costly repairs and shutdowns CAUTION Biological hazard M...

Страница 6: ...s 2 Remove the two lubricating plugs 3 Pump grease into one of the lubricating holes to push the old grease out of the opposite hole 4 Keep pumping until the fresh grease comes out 5 Refit and fasten the two plugs 6 Mount the coupling guards again 4 Dismantling and assembling the product 4 1 General information Position numbers Pump parts are indicated by numbers and refer to sections 8 Standard c...

Страница 7: ...ype 2 The position numbers in the following refer to section 9 2 LS with sleeve construction type 2 on page 23 Removing the motor 1 Remove the coupling guard 2 Remove the screws and nuts from the coupling halves 3 Carefully loosen and remove the spring using a screwdriver 4 Remove the screws holding the motor on the base frame 5 Lift off the motor 6 Loosen the set screws in the coupling flange of ...

Страница 8: ...he seal housing 124 8 Remove the stationary shaft seal part 105 Use a punch if necessary Removing the upper pump housing 1 Loosen the screws 26c 26d and remove them 2 Remove the vent screw 17 and then fit a lifting eye in the thread 3 Fit the screws in the dismounting holes thereby loosening the rest of the pump housing 6a 4 Lift off the upper pump housing 6a 5 Remove the screws 26c from the dismo...

Страница 9: ...on numbers in the following refer to section 9 5 LS without sleeve construction type 1 on page 24 Removing the motor 1 Remove the coupling guard 2 Remove the screws and nuts from the coupling halves 3 Carefully loosen and remove the spring using a screwdriver 4 Remove the screws holding the motor on the base frame 5 Lift off the motor 6 Loosen the set screws in the coupling flange of the pump 7 Pu...

Страница 10: ...1 Remove the seal cover 58 12 Remove the gasket 110a or the O ring 110 13 Remove the stationary shaft seal part 105 Use a punch if necessary 14 Remove the seal housing screws 114 15 Loosen the seal housing 124 using expansion bolts 16 Remove the seal housing 124 17 Remove the O ring 109 109a 18 Pull the rotary shaft seal part 105 off the shaft 51 Removing the upper pump housing 1 Loosen the screws...

Страница 11: ...ews 114a Cross tighten to the correct torque See section 2 3 1 Tightening torques 12 Fit the bearing snap ring 53 by moving it with the direction of rotation Then tighten the two set screws 13 Lubricate the bearing 53 For lubricant see section Ball bearing grease 14 Fit the gasket 113e bearing cover 113c and screws 114a Cross tighten to the correct torque See section 2 3 1 Tightening torques 15 Ch...

Страница 12: ...6 Lift the shaft impeller and wear rings home in the pump housing Make sure that the slits at the side of the pump housing engage with the pins 24 in the wear rings 45c Fitting the upper pump housing 1 Clean the packing face of the upper pump housing 6a and fit the pump housing 2 Knock the guide pins down into the lower pump housing 26b 3 Remove the guide screws in the lower pump housing 6b 4 Remo...

Страница 13: ...r in principle for screws pos 26c 5 Tighten the screws 26c 26d to the correct torque See section 2 3 1 Tightening torques The tightening order is shown in fig 4 6 Check that the shaft can rotate freely 7 Remove excess gasket material Fitting the bearings and shaft seals 1 Clean the O ring on the shaft seal rotary part 105 Then fit it along with the washer and spring Start at the non drive end 2 Fi...

Страница 14: ...ft drive end 6 Repeat steps 1 to 4 for the drive end 7 Check that the shaft can rotate freely 8 Lubricate the bearing 54 and press it home in the seal housing 124 For lubricant see section Ball bearing grease 9 Install the bearing into the bearing 54 housing Then install the washer and tighten the round nut 10 Lock the nut by a lock washer 11 Lubricate the bearing 54 For lubricant see section Ball...

Страница 15: ...13d 2 Remove the bearing cover 113d and gasket 113e 3 Loosen the set screw in the bearing snap ring 54 4 Loosen the bearing snap ring 54 by moving it against the direction of rotation 5 Remove any marks from the set screws on the shaft non drive end 51 6 Loosen the nuts on the stuffing box gland 7 Remove the screws 114 8 Pull the seal housing 124 off the shaft 51 using a puller and then remove the...

Страница 16: ...ttom and both sides See fig 8 After each adjustment recheck all features of alignment Parallel alignment is correct when the measurements show that all points of the coupling faces are within 0 2 mm of each other Fig 8 Checking parallel alignment 4 Checking angular alignment Insert a pair of inside callipers or a taper gauge at four points at 90 intervals around the coupling See fig 9 The angular ...

Страница 17: ...eeding 0 2 mm add or remove the shims under the motor until the deflection is halved 4 Set the dial gauge pointer to zero turn the motor and pump shaft simultaneously until the dial gauge is in position 0 12 o clock and read the dial gauge 1 again 5 Now the reading must be within the allowable tolerance of 0 2 mm If not repeat the procedure 6 Remove the dial gauge 1 Finish the alignment procedure ...

Страница 18: ...y cold liquids and cold surfaces TM04 0378 0608 WARNING Harm to health Death or serious personal injury Do not use antifreeze solution if you use the pump for public or potable water supply Do not tighten the vent screw or refit the drain plug until the pump is to be used again Drain plug inlet port Drain plug pump housing and outlet port TM07 2166 1319 Pos Description 1 Type designation 2 Product...

Страница 19: ...ion F1 10 bar DIN PN 10 G1 175 PSI 12 bar ANSI 125LB 150LB F2 16 bar DIN PN 16 G2 250 PSI 17 2 bar ANSI 250LB 300LB F3 25 bar DIN PN 25 G3 400 PSI 27 6 bar ANSI 250LB 300LB XX Special flanges Code for shaft and sleeve materials D SS420 and no sleeve A SS420 and SS304 E SS304 and no sleeve C SS420 and SS316 J SS316 and no sleeve B SS420 and bronze L Duplex stainless steel and no sleeve K Duplex sta...

Страница 20: ... seal balanced SiC SiC EPDM SQQV Rubber bellows seal balanced SiC SiC FKM BBVP Rubber bellows seal carbon aluminium oxide nitrile rubber SNEK Stuffing box with synthetic polymer packing rings uncooled with internal barrier fluid Direction of rotation Pump direction of rotation as seen from the motor end 1 Clockwise 2 Counterclockwise Code Example LS 125 100 305X 273 1 W 1 F2 D S BBQE 1 Example 1 2...

Страница 21: ...TM A216 WCB 58 Seal cover Cast iron ASTM A48 Class35 58a Screw Steel 65 Snap ring Stainless steel 66 O ring for sleeve NBR 67b Round nut for impeller Stainless steel 72a Gasket Vegetable fibre 76 Nameplate Stainless steel AISI 304 79 Slinger Neoprene 105 Shaft seal BBQV GBQV SiC Carbon 105c Seal retaining ring Stainless steel AISI 304 106 Packing gland Cast iron ASTM A48 Class35 107 Packing ring P...

Страница 22: ...English GB 22 9 Sectional drawings 9 1 LS with sleeve construction type 1 TM03 9952 4707 ...

Страница 23: ...English GB 23 9 2 LS with sleeve construction type 2 9 3 LS with sleeve construction type 3 TM03 9953 4707 TM03 9954 4707 ...

Страница 24: ...sleeve construction type 4 9 5 LS without sleeve construction type 1 TM03 9955 4707 TM06 9244 2017 113d 195 54 79 109 105 105a 67b 11 49 17 6a 45 114 124 53 113e 113c 113g 11a 114a 113f 51 6b 67a 54e 54c 54d 113f 105b 24 113 65 ...

Страница 25: ... construction type 2 9 7 LS typical end view non drive end TM06 9245 2017 113d 195 54 113f 58a 105 105b 20d 20e 67b 17 11 6a 109a 109 110 79 113f 114a 113g 11a 54e 54c 114b 54d 79 105a 6b 45 49 24 51 114 124 58 113 53 113c TM04 1864 1108 ...

Страница 26: ...ish GB 26 10 Exploded views 10 1 Coupling Fig 13 Joining with coupling TM04 0574 3317 7a 7g 7h 7I 7d 90 90b 90g 90h 7e 7f 7b 89h 89b 89p 89i 89 89j 89n 89k 89o 89a 89h 8a 89m 7c 90a 90f 90e 90d 90f 90c 90d ...

Страница 27: ...English GB 27 10 2 LS with sleeve 10 2 1 Construction type 1 Fig 14 Construction type 1 LS 65 50 241 LS 65 50 330 LS 100 80 241 X2 TM03 9940 4317 ...

Страница 28: ...onstruction type 2 Fig 15 Construction type 2 LS 150 125 305 LS 150 125 381 LS 200 150 305C Fig 16 Construction type 2 LS 125 100 279 LS 125 100 381 LS 125 100 305 LS 100 80 356 LS 200 150 305A TM03 9950 4317 TM03 9943 4317 ...

Страница 29: ...English GB 29 10 2 3 Construction type 3 Fig 17 Construction type 3 LS 200 150 483 X5 TM03 9947 4317 ...

Страница 30: ...English GB 30 Fig 18 Construction type 3 LS 100 80 241 XE TM03 9951 4317 ...

Страница 31: ...English GB 31 Fig 19 Construction type 3 LS 200 150 381 LS 250 200 305 LS 250 200 381 LS 300 250 305 Fig 20 Construction type 3 LS 300 250 381 TM03 9949 4317 TM03 994 4317 ...

Страница 32: ...English GB 32 10 2 4 Construction type 4 Fig 21 Construction type 4 LS 400 350 397 Fig 22 Construction type 4 LS 350 250 498 LS 350 250 630 TM03 9792 4317 TM03 9944 4317 ...

Страница 33: ...English GB 33 Fig 23 Construction type 4 LS 200 150 508 Fig 24 Construction type 4 LS 200 150 483 X6 TM03 9945 4317 TM03 9946 4317 ...

Страница 34: ...English GB 34 Fig 25 Construction type 4 LS 300 200 489 LS 350 250 508 TM03 9942 4317 ...

Страница 35: ...56 TM06 9403 4317 26c 20d 20e 17 26d 6a 114a 113d 195 113e 54 124c 124d 114 124 79 109b 105 67b 45 24 65 49 11a 11 20a 6b 76 20 20b 72a 20c 26b 53 113g 113c 105b 105a 54e 54c 54d 113f 51 TM06 9405 4317 113d 195 113e 36 79 124c 124d 124 109 105 45 49 24 20c 72a 26 17 26d 26c 20a 26 6b 20 76 20b 113c 114a 20e 20d 6a 26b 53 54d 54c 54e 54 113f 105a 105b 67b 113g 11a 51 11 ...

Страница 36: ...317 26d 26c 26b 6a 49 45 109 124 124d 124c 79 113e 195 113d 114a 20a 20 6b 76 20b 113c 24 20c 105 114 53 72a 54d 54c 54e 54 113f 105a 105b 113g 67b 11 11a 51 20d 20e 17 TM06 9406 4317 113d 195 113e 36 79 124c 124d 124 109 105 45 49 51 24 20c 72a 26 17 26d 26c 20a 26 6b 20 76 20b 113c 114a 20e 20d 6a 26b 53 54d 54c 54e 54 113f 105a 105b 67b 113g 65 11 11a ...

Страница 37: ... 114 124 109 65 45 49 24 124d 26d 26c 6a 26b 17 20e 20d 72a 113c 20a 6b 20 76 20c 20b 105 79 124c 53 54d 54c 54e 54 113f 105b 105a 67b 113g 11 11a 51 TM06 9408 4317 114a 113d 195 113e 54 114 79 124c 124d 20f 124 109 105 72a 65 45 49 24 20c 20a 6b 76 20 20b 113c 53 17 26b 6a 26c 20d 20e 54c 54e 113g 113f 105a 105b 67b 67a 11a 51 11 ...

Страница 38: ... 4317 114a 113d 195 113e 79 114 124c 124d 124 109 105 24 45 49 6b 20a 76 20 72a 20b 53 113c 26d 20d 20e 26b 17 6a 26c 20c 54 54c 54e 113f 105a 105b 67b 67a 113g 51 11a 11 TM06 9410 4317 114a 113d 195 113e 114 124c 124d 124 109 105 45 24 49 79 58a 58 58b 26c 6a 20c 6b 20a 20 76 20b 72a 53 113c 26b 20d 20e 54 54c 54e 113f 54d 105a 67b 105b 113g 51 11a 11 ...

Страница 39: ...f 79 58a 58 110 114 124 109 105 124d 124c 109a 24 45 49 6a 26d 20d 20e 17 26b 26c 20a 6b 76 20 72a 20b 20c 53 113c 113g 54d 113f 54 54c 54e 105a 67b 105b 67a 51 11a 11 TM06 9416 4317 58 58a 79 113 110 114a 113d 195 113e 114b 114 124 124c 124d 109 109a 45 49 26c 26d 6a 53 113c 20f 20 72a 20b 76 6b 20g 20a 20c 17 20e 20d 26b 54d 113f 54 54c 54e 105 105b 105a 67b 113g 51 11a 11 ...

Страница 40: ... 114 124 109 105 124d 124c 109a 24 45 49 6a 26d 20d 20e 17 26b 26c 20a 6b 76 20 72a 20b 20c 53 113c 113g 54d 113f 54 54c 54e 105a 67b 105b 51 11a 11 TM06 9412 4317 17 26b 26c 26d 6a 20d 20e 49 45 114b 113 113f 79 58a 58 58c 114 20f 20h 124 124c 124d 109 113c 20c 20a 20 76 105 72a 20b 6b 113f 24 67b 105a 105b 113g 53 54d 195 54 54e 54c 20g 114a 113e 113d 51 11a 11 ...

Страница 41: ...79 113 114b 113e 195 20g 113d 24 113c 20c 20a 6b 76 20b 20 72a 58a 114a 113f 45 58 20e 124 105 54d 113f 54 54c 54e 67b 105a 105b 113g 53 51 11a 11 20d 26d 6a TM06 9413 4317 6a 20d 20e 17 26b 26d 26c 114b 113 113f 79 58a 58 110 114 124 124c 109 124d 109a 24 45 49 20c 20a 6b 76 20 72a 20b 53 113c 105 113f 105a 67b 105b 113g 51 11a 11 54d 54 54e 54c 20g 114a 195 113e 113d ...

Страница 42: ...completely clogged 7 The inlet pipe is partially blocked 8 Air leak in the inlet pipe or flange 9 Air leak in the stuffing box The flushing pipe may be blocked 10 Cavitation insufficient NPSH depending on installation 11 The impeller or wear rings are worn 12 Defective packing rings 13 The non return valve is too small or partially obstructed The cross section of the non return valve port must be ...

Страница 43: ... inlet vessel 12 The impeller or wear rings are worn Replace the impeller and or wear rings If necessary also replace the bearings and the shaft 13 Defective packing rings Replace the packing rings 14 The non return valve is too small or partially obstructed Replace or clean the non return valve 15 The inlet pipe is not immersed deeply enough Extend the inlet pipe so that the risk of sucking air i...

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Страница 47: ...NDFOS Pumps Korea Ltd 6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60 LV 1035 Rīga Tālr 371 714 9640 7 149 641 Fakss 371 914 9646 Lithuania GRUNDFOS Pumps UAB Smolensko g 6 LT 03201 Vilnius Tel 370 52 395 430 Fax 370 52 395 431 Malaysia GRUNDFOS Pumps S...

Страница 48: ...59735 The name Grundfos the Grundfos logo and be think innovate are registered trademarks owned by Grundfos Holding A S or Grundfos A S Denmark All rights reserved worldwide Copyright Grundfos Holding A S www grundfos com ...

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